/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Selections/GeometrySelectionUtil.h
Expand the input ReferenceSelection to include all "connected" elements and return in AllConnectedSelection. The type of selected element is defined by ReferenceSelection.
true if ReferenceSelection had a known geometry/topology type pair and AllConnectedSelection was populated
namespace UE { namespace Geometry { bool UE::Geometry::MakeSelectAllConnectedSelection ( const [UE::Geometry::FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, const [FGroupTopology](API\Plugins\DynamicMesh\FGroupTopology) * GroupTopology, const [FGeometrySelection](API\Plugins\DynamicMesh\Selections\FGeometrySelection) & ReferenceSelection, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool([FGeoSelectionID](API\Plugins\DynamicMesh\Selections\FGeoSelectionID))> SelectionIDPredicate, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool([FGeoSelectionID](API\Plugins\DynamicMesh\Selections\FGeoSelectionID) A, [FGeoSelectionID](API\Plugins\DynamicMesh\Selections\FGeoSelectionID) B)> IsConnectedPredicate, [FGeometrySelection](API\Plugins\DynamicMesh\Selections\FGeometrySelection) & AllConnectedSelection ) } }